326 results about "Spectrum sharing" patented technology

Systems, methods and apparatus are disclosed for automatic signal detection in an RF environment. An apparatus comprises at least one receiver and at least one processor coupled with at least one memory. The apparatus is at the edge of a communication network. The apparatus sweeps and learns the RF environment in a predetermined period based on statistical learning techniques, thereby creating learning data. The apparatus forms a knowledge map based on the learning data, scrubs a real-time spectral sweep against the knowledge map, and creates impressions on the RF environment based on a machine learning algorithm. The apparatus is operable to detect at least one signal in the RF environment.

The invention discloses a heterogeneous multi-agent entropy regularization resource allocation method for dynamic spectrum sharing, which belongs to the technical field of wireless network communication, and comprises the following steps: loading a basic trainer, and managing subsequent reinforcement learning; the method comprises the following steps: constructing a simulation environment, establishing a mathematical model, initializing parameter analysis, constructing a training environment and an evaluation environment, and creating an intelligent agent; generating initial empirical data by using a random strategy, filling an empirical playback buffer area, returning to a final state after a preset preheating step number is reached, and performing formal training to sample data from the empirical playback buffer area to update a network; starting a formal training process, interacting the intelligent agent with the environment, and storing empirical data to a buffer area; the strategy network is optimized through the strategy gradient, and the evaluation network is optimized through the TD error. By the adoption of the method, the problem of performance bottleneck caused by the fact that the strategy is converged to be suboptimal in spectrum allocation of a traditional DRL method is solved, and resource allocation efficiency close to global optimum is achieved through random strategy optimization.

The invention relates to a high-performance cooperative sensing and resource allocation method suitable for hybrid spectrum sharing, which belongs to the field of signal processing, and comprises the following steps: carrying out system modeling and defining key parameters; an energy efficiency optimization model under multi-dimensional constraints is obtained by constructing a target function and multi-dimensional constraint conditions; designing a cooperative sensing mechanism for resisting control channel errors through an improved hard decision fusion rule; the target function is converted into a parameterized subtraction form, and the optimal sensing duration and the number of cooperative nodes are solved through a two-stage optimization algorithm; and dynamic parameter configuration and real-time optimization are carried out through environment perception and parameter prediction. According to the method, sensing duration, cooperation scale and power parameters are jointly optimized, limitation of traditional fixed configuration is broken through, and dynamic balance of spectrum detection precision, transmission efficiency and energy consumption economy is achieved; a dual-power-level adaptive switching mechanism maximizes the frequency spectrum access opportunity and minimizes the interference to the master device at the same time.

The invention discloses a multi-band electromagnetic compatibility evaluation method and system in a combat scene, and the method comprises the steps: calculating the spectrum occupancy probability distribution of an enemy through constructing a spectrum occupancy probability model in a non-cooperative confrontation environment; establishing a multi-band electromagnetic compatibility matrix, and calculating an optimal spectrum allocation scheme by applying a dynamic spectrum allocation algorithm; calculating the overall electromagnetic compatibility of the system based on the compatibility score of the equipment and the frequency band and the frequency spectrum occupation risk of the enemy; according to the electromagnetic environment change threshold value, the spectrum occupancy probability model is updated regularly, and dynamic evaluation of the multi-band electromagnetic compatibility is achieved; according to the invention, under the condition of non-cooperative spectrum sharing, mutual interference between our equipment and enemy spectrum occupation risks are comprehensively considered, real-time dynamic evaluation of electromagnetic compatibility in a combat scene is realized, and effective support is provided for battlefield spectrum resource management and command decision.

The invention discloses a distributed MIMO (Multiple Input Multiple Output) integrated system and method based on a reconfigurable notch chaotic optoelectronic oscillator, belongs to the field of microwave photons, and solves the problems of spectrum resource conflict, difficulty in multi-node synchronization, discrete inductance functions and the like. According to the system, a plurality of independent chaotic OEOs are combined with an optical frequency comb to drive an FIR filtering effect, MIMO chaotic signals with reconfigurable notch frequency points and quantity are generated, and dynamic allocation of spectrum resources is realized. The notch frequency band is used as a communication channel embedded modulation signal, and supports multi-spectrum sharing with 2.4 G, 5G, Wi-Fi and the like; a non-notch frequency band is reserved as a radar signal, and the range resolution is improved by using the broadband characteristic of the chaotic waveform. The star topology optical network expands the coverage area of a distributed system, and a centralized processing architecture reduces the complexity of multi-node collaboration. The invention provides an integrated solution of high-precision environment perception and high-reliability communication for smart cities, Internet of Vehicles and the like, and is suitable for dense urban areas with resource shortage and dynamic multi-service environments.

Mechanisms for directional channel occupancy monitoring for a frequency band among multiple networks are provided. In one aspect, a method of wireless communication includes monitoring, in a shared frequency band in a plurality of beam directions, for signals associated with one or more wireless networks different from the first wireless network. The monitoring includes: detecting, in the shared frequency band and in at least a first beam direction of the plurality of beam directions, a first signal associated with a second wireless network; and up-dating a channel occupancy list to indicate that at least a portion of the shared frequency band is occupied in at least the first beam direction. The method also includes transmitting, in the shared frequency band, a second signal in a second beam direction of the plurality of beam directions based on the channel occupancy list.

The invention discloses a 5G base station energy efficiency optimization method and system based on dynamic spectrum sharing. The method comprises the following steps: S1, sensing user load distribution, service types and channel state information in a base station coverage area in real time; s2, dynamically allocating a shared spectrum resource pool composed of an authorized frequency band and an unauthorized frequency band according to the user load distribution and the service type; and S3, generating a spectrum allocation proportion and transmitting power joint optimization instruction based on a reinforcement learning algorithm. By dynamically fusing authorized and unauthorized spectrum resources and combining real-time service load awareness and reinforcement learning decision mechanisms, joint improvement of spectrum efficiency and energy consumption efficiency is realized on the premise of ensuring service quality. The prediction model embedded in the method can pre-judge network flow fluctuation in advance, symbol-level fine-grained energy-saving control is matched, the conflict between communication performance and equipment power consumption is effectively balanced, and the method is particularly suitable for heterogeneous network scenes with uneven user distribution and complex service types.

The invention provides a spectrum sharing method and device and a medium, and relates to the technical field of communication. The method comprises the following steps: allocating, regulating and controlling a cross-operator sharable spectrum according to a dynamic prediction strategy and an interference suppression strategy; generating a spectrum sharing smart contract and uploading the spectrum sharing smart contract to the block chain, wherein the spectrum sharing smart contract comprises a sharable time period, a sharable area, an adaptive service type, a frequency band and a sharing price mechanism of each sharable spectrum; and the blockchain receives the spectrum sharing request and matches the sharable spectrum for the spectrum sharing request according to the spectrum sharing smart contract. Through a dynamic prediction strategy and an interference suppression strategy, cross-operator sharable frequency spectrums are allocated, regulated and controlled, supply and demand matching and charging of frequency spectrum sharing are realized through a block chain smart contract, a dynamic adjustment allocation scheme is adopted, idle frequency spectrums of multiple operators are cooperatively integrated, optimal allocation of frequency spectrum resources is realized, and interference is dynamically suppressed. And a block chain smart contract is introduced, so that the spectrum sharing scene adaptation capability is improved.

The present disclosure relates to a spectrum sharing method that can prevent jamming attacks and frequency interference through frequency hopping when operating multiple units simultaneously in a non-terrestrial network. The spectrum sharing method through frequency hopping according to an embodiment of the present disclosure is a spectrum sharing method through fast frequency hopping (FFH) in a plurality of cells assigned with different frequencies, the spectrum sharing method including: identifying occupied frequencies assigned to a cell at which a communication unit is positioned and at least one adjacent cell, respectively; and changing collision frequencies matching the occupied frequencies in a preset hopping pattern in the communication unit to a frequency that is not the occupied frequencies.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from network nodes of wireless backhaul mesh network. The telemetry information includes spectrum occupancy information and UE positioning information. The central cloud server obtains, via blockchain-based spectrum broker nodes, frequency spectrum availability metadata and custom-defined spectrum access parameters of spectrum owner nodes. The central cloud server detects spectrum availability variations across network nodes and determines different routing paths for the first type of UEs designated as premium users. Based on the detected spectrum availability variations across the network nodes and the determined different routing paths, control signals are generated and communicated to the network nodes to assign data streams onto rented or leased spectrum frequencies. One of the determined routing paths is selected for delivery of the data streams to the first type of UEs to meet the custom-defined spectrum access parameters.

A method and apparatus are disclosed for rate matching. In one embodiment, a user equipment is configured to receive at least two physical downlink shared channels, PDSCHs; a first PDSCH of the at least two PDSCHs being associated with a first set of cell-specific reference signal, CRS, patterns and a second PDSCH of the at least two PDSCHs being associated with a second set of CRS patterns; and the at least two PDSCHs being rate matched around at least one of the first set of CRS patterns and the second set of CRS patterns. In another embodiment, a network node is configured to transmit the at least one PDSCH of at the least two PDSCHs; and the at least two PDSCHs being rate matched around at least one of the first set of CRS patterns and the second set of CRS patterns.

This disclosure provides approaches for enhancing the efficiency of dynamic spectrum sharing and carrier aggregation in 6G and later networks. The proposed methods and apparatuses allow for the configuration of control and data channels to accommodate multiple non-contiguous sub-bands with different numerologies within a virtual cell. Methods of wireless communication performable at a User Equipment (UE) are accordingly provided which enable the UE to obtain a configuration of a control channel or a data channel in a cell, and receive or transmit information in at least one of the control channel or the data channel based on the configuration. The cell includes a plurality of non-contiguous frequency bands associated with different numerologies. The control channel or the data channel may be allocated in the non-contiguous frequency bands associated with a single numerology of the different numerologies, or the non-contiguous frequency bands associated with each numerology of the different numerologies.

Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for measurement and initial access for sharing spectrum between mobile network operators.

The invention relates to the field of wireless communication, and discloses an airport wireless access system and method fusing aviation 5G and WiFi, and the system comprises an aviation 5G communication module, a WiFi access module, a fusion control module, a multi-band antenna module, a network management platform and a security authentication module. According to the invention, dynamic allocation of aviation 5G and WiFi resources is realized through a dynamic spectrum sharing and time slot cooperation technology, and the problems of communication interference and resource competition in an airport high-density scene are solved; meanwhile, the network management platform can calculate the comprehensive load index based on the multi-dimensional data, namely the network state, the user access and the service quality, and finally dynamically adjust the spectrum allocation strategy and the time slot scheduling strategy according to the comparison condition of the comprehensive load index and the preset threshold interval, including light load capacity expansion, overload protection and steady state maintenance. Therefore, the reliability, the resource utilization rate and the user experience of the airport communication system are comprehensively improved.

Methods and systems for dynamic spectrum sharing between current cellular networks (e.g., Fifth Generation (5G) New Radio (NR) ) and emerging cellular network (e.g., Sixth Generation (6G) ) are described. The described embodiments improve the system capacity of the 6G system and ensure extended coverage of the 6G network, while also providing solutions for the smooth evolution of the 5G network to the 6G network. A example method of wireless communication, in accordance with the described technology, includes receiving, by a wireless device from a network node, a message comprising information indicative of an existence of a first resource for the 6G wireless system operating according to the 6G communication protocol, and performing, using the first resource, a transmission or a reception of a signal that is associated with the 5G wireless system operating according to the 5G communication protocol that is different from the 6G communication protocol.

Disclosed herein are systems, methods, and computer-readable media directed to a software application that may be downloaded to and executed on any type of end terminal (may also be referred to as a user equipment), through which UEs of heterogenous systems sharing a frequency band can inform each other and coordinate usage and transmission in the shared frequency band in a distributed and near real-time manner to avoid and minimize interference. This software application can provide an application-based approach for wireless spectrum management.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication associated with multiplexing uplink control information (UCI) on a physical uplink shared channel (PUSCH), wherein the indication is associated with multiple component carriers (CCs) on which respective PUSCH transmissions are to be performed; identify one or more CCs, of the multiple CCs, to which the indication applies; and selectively transmit the UCI via the PUSCH on a CC, of the one or more CCs, in accordance with the indication. Numerous other aspects are provided.

The invention discloses a communication method and device, relates to the technical field of communication, and can improve the performance of communication systems when different communication systems share frequency spectrums. The method comprises the following steps: receiving first information from network equipment, and determining a time domain resource and a frequency domain resource which are not used for first channel transmission according to the first information; wherein the first information is used for indicating a time domain resource and a frequency domain resource which are not used for first channel transmission; the first information indicates that the frequency domain resources not used for the first channel transmission comprise one or more subcarriers not used for the first channel transmission in one or more RBs (Resource Blocks) indicated by the first information; the first channel is a physical uplink shared channel or a physical downlink shared channel.

The invention provides an air-space-ground-sea multi-domain network intelligent cooperation system and method, and belongs to the technical field of communication networks. The system collects heterogeneous network data through a multi-domain sensing layer, and constructs a digital twinborn body by using quantum reinforcement learning to realize network state prediction; semantic analysis is adopted to convert user intentions into a resource demand matrix, and non-orthogonal multiple access and dynamic spectrum sharing technologies are combined to realize joint optimal allocation of satellite-air-sea-ground resources. Compared with the prior art, the method has three advantages that 1) intention-driven intelligent resource scheduling is supported, and the service matching precision is improved by 40%; 2) cross-domain spectrum sharing is realized through federal learning, and the spectrum utilization rate reaches 92%; and 3) the transmission reliability in an anti-interference mode reaches 99.99%, and the system is suitable for emergency communication, ocean monitoring and other scenes.

Various solutions for spectrum sharing in mobile communications with respect to an apparatus and network nodes are described. A primary network node may transmit a spectrum sharing window to a secondary network node and transmit activation information to a User Equipment (UE). The activation information may indicate whether to activate a carrier. The secondary network node may perform data transmission or reception on the carrier during the spectrum sharing window in an event that the carrier is activated.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from a plurality of network nodes in a backhaul network. The network nodes include hybrid analog-digital repeater devices. The server also obtains frequency-spectrum availability metadata and custom-defined spectrum-access parameters from spectrum-owner nodes. The server causes each hybrid analog-digital repeater to form dual analog data links on a first and a second polarization with at least one neighboring hybrid analog-digital repeater. Using the telemetry information, the frequency-spectrum availability metadata, and the custom-defined spectrum-access parameters, the server detects spectrum-availability variations across the network nodes, determines routing paths for a first type of UEs designated as premium users, generates control signals that assign data streams to rented or leased spectrum frequencies, and selects one of the routing paths to deliver the data streams to the premium UEs while satisfying the custom-defined spectrum-access parameters.

This application discloses a resource allocation method, apparatus, and non-volatile storage medium. The method includes: determining a primary carrier and a target slice number corresponding to the primary carrier; determining key indicators associated with the slice corresponding to the target slice number based on the primary carrier, wherein the key indicators include multiple quality indicators; determining an activation type for shared resource allocation based on the key indicators, wherein the shared resources are resource blocks shared by the primary carrier and secondary carriers under the slice corresponding to the target slice number; determining the secondary carrier corresponding to the activation type and a resource allocation strategy corresponding to the activation type; and allocating resource blocks to the primary carrier and secondary carriers under the slice corresponding to the target slice number based on the resource allocation strategy. This application solves the technical problem in related technologies where slice-level cross-carrier spectrum sharing resource allocation methods cannot be implemented.

The invention discloses a WiFi (Wireless Fidelity) 7 spectrum sharing method, device, equipment and medium, relates to the technical field of wireless communication, and is used for solving the problem of unreasonable spectrum resource scheduling. The method comprises the following steps: generating a candidate bandwidth perforation mode set according to a channel occupancy rate matrix; wherein the candidate bandwidth perforation mode supports asymmetric multi-layer nested segmentation of the spectral bandwidth; inputting the candidate bandwidth perforation mode set and channel state information (CSI) into the trained mixed AI model to obtain an optimal perforation mode; wherein the trained mixed AI model is composed of hierarchical reinforcement learning HRL, a time convolution network TCN and a graph neural network GNN; and according to the optimal perforation mode, WiFi 7 spectrum sharing is carried out, so that the spectrum sharing capability of WiFi 7 can be remarkably improved.

Provided in the present application are a communication method and an apparatus. The method comprises: a first communication apparatus receives configuration information on a first cell, then receives a first reference signal on a first reference signal resource and receives a second reference signal on a second reference signal resource, and then may send channel state information (CSI), wherein the RAT used by the first cell is a first RAT, the configuration information can be used for configuring the first reference signal resource and the second reference signal resource, the second reference signal resource complies with the protocol specifications of a second RAT, and the CSI is obtained on the basis of the first reference signal and / or the second reference signal. The first reference signal resource and the second reference signal resource are configured for the first communication apparatus, such that the first communication apparatus can measure the reference signals of different RATs, so as to help to improve the performance of beam management / channel measurement, thereby reducing reference signal resource overheads, and improving spectrum sharing efficiency.

Systems and methods are disclosed herein for effectively using channel resources, by a radio access node of Dynamic Spectrum Sharing (DSS) system with carrier aggregation, by adaptively selecting a set of trigger states based on sets of parameters. In one example, a method includes selecting trigger states from candidate trigger states, configuring the selected trigger states, and triggering Channel State Information (CSI) reports for the trigger states. In one example, the selected trigger states include trigger states that are less than or equal to a maximum number of trigger states supported by the wireless communication device. The candidate trigger states include trigger state 0 for a first CSI report for a mixed interference scenario, trigger state 1 for a second CSI report for a non-mixed interference scenario, and trigger state 2 for the first and the second CSI reports.

A method, apparatus, system, and computer program product for performing dynamic spectrum sharing in a wireless communication system. A control plane message identifying a radio resource of a plurality of radio resources is generated for controlling transmission of a data packet of a plurality of data packets between a plurality of communication devices. The generated control plane message is transmitted. Transmission of the data packet in a user plane is controlled using the identified radio resource.

The application provides a resource sharing method and device. The resource sharing method comprises the following steps: a first network device determines a first control channel resource of a first cell in a first spectrum resource, the first cell belonging to the first network device; the first network device sends a first message to a second network device, the first message indicating the second network device to allocate a second control channel resource for a second cell in the first spectrum resource, the second cell belonging to the second network device, the first control channel resource and the second control channel resource belonging to different parts of the first spectrum resource, and the first spectrum resource being a spectrum resource shared by the first cell and the second cell. Thus, the dynamic spectrum sharing mechanism can be used to enable the spectrum dynamic sharing between the cells of the wireless network, and the user experience and the spectrum use efficiency are improved.

Various aspects of the present disclosure relate to combining or integrating the broadcast of system information two different radio access technologies in a single transmission of primary system information by a cell, base station, or other network entity. For example, a synchronization signal block (SSB) associated with a first radio access technology may include information (e.g., in a synchronization signal and / or physical broadcast channel) that identifies a cell broadcasting the information as supporting a different radio access technology. The SSB, embedding or otherwise including certain RAT information, may be useful to user equipment seeking access to different radio access technologies.

Mitigation of interference between terrestrial networks (TN) and non-terrestrial networks (NTN) in integrated communication systems may be achieved by reducing the interference at both networks such that co-channel inter-system interference may be minimized and spectral efficiency may be improved. Additionally, by improving spectrum sharing between TN and NTN, higher throughput may be achieved and user coverage may be expanded. By integrating a directional interference adjustment factor (DIAF) into a power control mechanism, a system can make more informed and precise adjustments to its transmit power. By considering the DIAF, the system may dynamically adjust power to, thereby, minimize interference with other networks or users. Minimization of interference is especially convenient in environments where multiple networks share the same spectrum. Adjusting power based on the DIAF helps maintain a better signal to interference and noise ratio, leading to more reliable communication and better data rates.

This invention discloses a large-scale hybrid constellation distributed downlink spectrum sharing method based on game theory, comprising the following steps: establishing a link channel model in the hybrid constellation; using a perceived satisfaction function as an evaluation index of user performance; formulating a channel allocation game to capture the interaction and conflict between links, formalizing the channel allocation problem as a latent game; to solve the Nash equilibrium solution of the game model, dividing the system cycle into several equal topology cycles, with the topology of the ground-satellite link remaining unchanged within each topology cycle; dividing the topology cycle into a link establishment superframe and a data transmission superframe; and then using a distributed channel allocation algorithm based on stochastic learning for allocation. This application transforms a dynamic social problem into a static channel allocation problem; establishes a mathematical model based on game theory to represent user interaction; balances convergence speed and overall network satisfaction, and improves spectrum efficiency.